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Related Experiment Video

Updated: Jun 25, 2026

Real-time fMRI Biofeedback Targeting the Orbitofrontal Cortex for Contamination Anxiety
10:51

Real-time fMRI Biofeedback Targeting the Orbitofrontal Cortex for Contamination Anxiety

Published on: January 20, 2012

Virtual Reality-Delivered Exposure for Contamination Concerns in Adults With Obsessive-Compulsive Symptoms:

Anna Caltabiano1, Aniruddha Voruganti2, Jacqueline Nesi3

  • 1Dyson School of Design Engineering, Imperial College London, Exhibition Road, South Kensington, London, SW7 2AZ, United Kingdom, 44 020 7589 5111.

JMIR Serious Games
|June 23, 2026
PubMed
Summary

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Virtual reality exposure therapy (VRET) shows promise for contamination concerns, eliciting anxiety but not significant symptom change in this pilot study. Future research should explore multisession VRET for better outcomes.

Area of Science:

  • Mental Health
  • Psychology
  • Virtual Reality Applications

Background:

  • Exposure and response prevention is a primary treatment for obsessive-compulsive disorder (OCD).
  • Many individuals with contamination concerns do not seek treatment.
  • Virtual reality exposure-based therapy (VRET) offers potential for increased scalability and acceptability.

Purpose of the Study:

  • To assess the feasibility and acceptability of a single-session VRET protocol for contamination concerns.
  • To evaluate within-session anxiety changes during VRET.
  • To explore changes in contamination symptoms at 1-month follow-up.

Main Methods:

  • A single-arm pilot study involving adults with elevated contamination concerns.
  • Participants underwent a standardized VRET session in a virtual public toilet environment.
Keywords:
contaminationexposureobsessive-compulsive disordersubclinicalsubthresholdvirtual reality

More Related Videos

Human Fear Conditioning Conducted in Full Immersion 3-Dimensional Virtual Reality
10:38

Human Fear Conditioning Conducted in Full Immersion 3-Dimensional Virtual Reality

Published on: August 9, 2010

Related Experiment Videos

Last Updated: Jun 25, 2026

Real-time fMRI Biofeedback Targeting the Orbitofrontal Cortex for Contamination Anxiety
10:51

Real-time fMRI Biofeedback Targeting the Orbitofrontal Cortex for Contamination Anxiety

Published on: January 20, 2012

Human Fear Conditioning Conducted in Full Immersion 3-Dimensional Virtual Reality
10:38

Human Fear Conditioning Conducted in Full Immersion 3-Dimensional Virtual Reality

Published on: August 9, 2010

  • Outcomes included anxiety, affect, contamination symptoms, usability, and VR sickness.

    • Main Results:

    • Anxiety increased during exposure tasks and decreased after virtual hand washing.
    • Significant changes were observed in negative and positive affect.
    • Contamination symptoms did not significantly change from baseline to follow-up (P=.12).
    • Usability was adequate, and VR sickness did not prevent session completion.

    Conclusions:

    • A single-session VRET protocol for contamination concerns is feasible and acceptable.
    • The protocol elicits within-session anxiety, providing benchmarks for future research.
    • Statistically significant symptom reduction was not observed, suggesting a need for multisession designs.
    • The findings support further investigation into self-administered or minimally supervised VRET for early intervention.